
This OPF-back system for the BMW G20/G21 M340i and G22 M440i is a direct replacement for the factory exhaust from the particulate filter back, retaining the OPF while adding volume and a more aggressive tone. Available using the OE tailpipe trims or with quad GT-100 trims.
Please note: Fits from the OPF/GPF back and retains the factory particulate filter. E-marked for road use.
Features
- Retains the factory OPF/GPF
- Option to re-use the OE trims or fit quad GT-100 trims
- Manufactured from 304L aircraft-grade stainless steel
- 76.2mm (3") pipe diameter
- Approximately 2 to 2.5 hours to fit (including removal of the OE system)
- E-marked for road use
Fitment
- BMW M340i Saloon (G20) – OPF/GPF models
- BMW M340i Touring (G21) – OPF/GPF models
- BMW M440i Coupé (G22) – OPF/GPF models